7-Chlorophthalazin-1(2H)-one

Name: 7-Chlorophthalazin-1(2H)-one
Brand: Vaqora Chemicals
SKU: VQ-035337

About 7-Chlorophthalazin-1(2H)-one

Vaqora Chemicals supplies 7-Chlorophthalazin-1(2H)-one, an impurity of Hydralazine registered under CAS number 60889-20-5. The compound has the formula C8H5ClN2O, corresponding to a molecular weight of 180.59 g/mol. The IUPAC name is 7-chloro-2H-phthalazin-1-one. It is also known as 7-chloro-1(2H)-phthalazinone.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Hydralazine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 7-Chlorophthalazin-1(2H)-one in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Hydralazine

View every impurity, metabolite and intermediate we list for Hydralazine.

Hydralazine impurities

Specifications & identifiers

Chemical identifiers
Product name	7-Chlorophthalazin-1(2H)-one
Catalogue No.	VQ-035337
CAS Number	60889-20-5
IUPAC name	7-chloro-2H-phthalazin-1-one
Molecular formula	C₈H₅ClN₂O
Molecular weight	180.59 g/mol
Exact mass	180.009
Grade	Reference Standard
HSN code	38229090
InChIKey	VJSOCOJRMFEPOH-UHFFFAOYSA-N
SMILES	C1=CC2=C(C=C1Cl)C(=O)NN=C2
PubChem CID	12298542

Physical properties
Physical form	Solid
LogP (XLogP3)	1.4
H-bond donors / acceptors	1 / 2
TPSA	41.5 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 7-Chlorophthalazin-1(2H)-one?

The CAS Registry Number of 7-Chlorophthalazin-1(2H)-one is 60889-20-5. It is also known as 7-chloro-1(2H)-phthalazinone.

What is the molecular formula and molecular weight of 7-Chlorophthalazin-1(2H)-one?

7-Chlorophthalazin-1(2H)-one has the molecular formula C8H5ClN2O and a molecular weight of 180.59 g/mol. Its IUPAC name is 7-chloro-2H-phthalazin-1-one.

What is 7-Chlorophthalazin-1(2H)-one used for?

7-Chlorophthalazin-1(2H)-one is supplied as a characterised reference material related to Hydralazine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 7-Chlorophthalazin-1(2H)-one can I order?

We supply 7-Chlorophthalazin-1(2H)-one in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 7-Chlorophthalazin-1(2H)-one?

Yes. Every lot of 7-Chlorophthalazin-1(2H)-one is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 7-Chlorophthalazin-1(2H)-one be shipped internationally?

Yes. We export 7-Chlorophthalazin-1(2H)-one worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.